D
Learning Task No. 1: Give your conclusion regarding the picture below.
What are the things you can do to prevent dangers in the kitchen. List down
safety measures to this scenario in your notebook.
Dangers in the Kitchen

Heart at rate 5 star
kung sino man po Ang makasagot nito ng marami​

Answer:

C

Explanation:

The law of reflection says that for specular reflection the angle at which the wave is incident on the surface equals the angle at which it is reflected.

Answer:

Explanation:

mass of aluminum 2.8 kg = 2.8 x 1000 = 2800 g

ρ = density of aluminum given = 2.7 g / cm³

density = mass / volume

volume = mass / density

= 2800 / 2.7

= 1037 cm³

So volume of cube required = 1037 cm³.

Moles O2 required : 2.5

Given

Reaction

2H2+O2->2H2O

Required

Moles of O2

Solution

The reaction coefficient in a chemical equation shows the mole ratio of the reacting compounds (reactants or products)

From the equation, mol ratio of H2O : O2 = 2 : 1, so moles O2 :

= 1/2 x mol H2O

= 1/2 x 5 moles

= 2.5 moles

Answer:

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants. The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such the amount of gas consumed or produced during a reaction.

Answer:

152g

Explanation:

The compound given here is iron sulfate and it is represented as;

               FeSO₄

The relative formula mass of the compound is determine by the addition of its component atomic masses and them expressed in grams

Atomic mass of Fe = 55.845

                           S = 32.065

                           O = 15.994

So;

Relative formula mass  = 55.845 + 32.065 + 4(15.994)  = 151.886g

Therefore, solution is 152g

Answer: 152

Explanation:

Answer: False

Explanation:

When a object is touching a surface, it mostly likely will change the temperature it's on, depending on how it is. Since they both have different temperatures and cooling down at the same particularity rates, it is highly false that this would happen. What WOULD would the bowl cool faster THAN the water, then the ice will transform into water.

Hope this helps and make sure to thank me!

Answer:

shell ,orbit , this is the answer of this qn

Answer:

312140 LB/CU FT

Explanation:

MULTIPLY

Answer:

4PH3(g)+8O2(g)→P4O10(s)+6H2O(g)

Answer:

3.45*10^-29

Explanation:

E=hv

h is Planck's constant and v is the frequency (which was given to us)

E=6.626*10^-34 * 5.21*10^4

E=3.452146*10^-29

Answer:

A. because the graph is moving uo

Answer:

Polymers are used in everything from nylon stockings to commercial aircraft to artificial heart valves, and they have a key role in addressing international competitiveness and other national issues.

Polymer Science and Engineering explores the universe of polymers, describing their properties and wide-ranging potential, and presents the state of the science, with a hard look at downward trends in research support. Leading experts offer findings, recommendations, and research directions. Lively vignettes provide snapshots of polymers in everyday applications.

The volume includes an overview of the use of polymers in such fields as medicine and biotechnology, information and communication, housing and construction, energy and transportation, national defense, and environmental protection. The committee looks at the various classes of polymers—plastics, fibers, composites, and other materials, as well as polymers used as membranes and coatings—and how their composition and specific methods of processing result in unparalleled usefulness.

Answer:

what are you asking?

Explanation:

Answer:

2+2H2O.We already learn it

1.6283 × 10²⁴ atoms Ni

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Stoichiometry

Step 1: Define

158.69 g Ni

Step 2: Identify Conversions

Avogadro's Number

Molar Mass of Ni - 58.69 g/mol

Step 3: Convert

Step 4: Check

Follow sig fig rules and round. We are given 5 sig figs.

1.62827 × 10²⁴ atoms Ni ≈ 1.6283 × 10²⁴ atoms Ni

Answer:

we're terrible at keeping the earth clean and we know that lol

Explanation:

idrk

Humans should be concerned about the rising extinction rate as this accelerated rate prevents ecosystems from recovering or other species from filling voids in the food chain.

Extinction is the final phase of a sort of creature or a taxon—typically a species. Although the ability to reproduce and bounce back may have been lost earlier, the death of the last member of the species is typically considered to have been the moment of extinction.

Determining this point is challenging because a species' dynamic value may be quite wide, and is typically done after the fact. Due to this problem, there are phenomena like Lazarus taxa, in which a species that was thought to be extinct suddenly "reappears" after a duration of apparent absence. If extinction is a normal part of ecosystems, and mass extinctions have happened before, humans should be concerned about the rising extinction rate as this accelerated rate prevents ecosystems from recovering or other species from filling voids in the food chain.

Therefore, humans should be concerned about the rising extinction rate as this accelerated rate prevents ecosystems from recovering or other species from filling voids in the food chain.

To know more about extinction, here:

https://brainly.com/question/11872946

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Answer:

Okay?.......................

Answer:

The most abundant isotope is 1.007 amu.

Explanation:

Given data:

Average atomic mass = 1.008 amu

Mass of first isotope = 1.007 amu

Mass of 2nd isotope = 2.014 amu

Most abundant isotope = ?

Solution:

First of all we will set the fraction for both isotopes

X for the isotopes having mass  2.014 amu

1-x for isotopes having mass 1.007 amu

The average atomic mass is 1.008 amu

we will use the following equation,

2.014x + 1.007  (1-x) = 1.008  

2.014x + 1.007  - 1.007 x = 1.008  

2.014x - 1.007x  =  1.008  -  1.007

1.007 x = 0.001

x= 0.001/ 1.007

x= 0.0009

0.0009 × 100 = 0.09 %

0.09 % is abundance of isotope having mass  2.014 amu because we solve the fraction x.

now we will calculate the abundance of second isotope.

(1-x)

1-0.0009 = 0.9991

0.9991 × 100= 99.91%

Answer:

ah+j

Explanation:

Moles of Fe2O3 used : 3.83

Given

11.5 moles of CO2

Required

moles of Fe2O3

Solution

Reaction

Fe2O3 + 3CO ⇒2Fe + 3CO2

The reaction coefficient shows the mole ratio of the reacting compound (reactants or products)

From the equation, mol ratio of Fe2O3 : CO2 = 1 : 3, so mol Fe2O3 :

= 1/3 x moles CO2

= 1/3 x 11.5

= 3.83 moles

Explanation:

Groups are numbered 1–18 from left to right. The elements in group 1 are known as the alkali metals; those in group 2 are the alkaline earth metals; those in 15 are the pnictogens; those in 16 are the chalcogens; those in 17 are the halogens; and those in 18 are the noble gases.

Answer:

The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.

Answer:

All of that is correct i am confused on what u are asking us to answer

Explanation:

Answer:

A barometer measures atmospheric/ air pressure ( D)

Explanation: I researched this topic prior to answering the following question.

Answer:

When iron is heated in air it reacts with oxygen to form the compound iron oxide. Iron is a solid and oxygen is a gas. 5 Draw diagrams to show how the atoms are arranged in iron, oxygen and iron oxide in the circles below their names. Use different colours for the iron atoms and the oxygen atoms.

Explanation:

The force exerted : 8 N

Given

mass = 800 g

Acceleration = 10 m/s²

Required

The force exerted

Solution

Newton's 2nd law explains that the acceleration produced by the resultant force on an object is proportional and in line with the resultant force and inversely proportional to the mass of the object  

∑F = m. a  

[tex]\large {\boxed {\bold {a = \frac {\sum F} {m}}}[/tex]

F = force, N  

m = mass = kg  

a = acceleration due to gravity, m / s²  

Input the value :

F = 0.8 kg x 10 m/s²

F = 8 N

the answer would be iron. divide mass by volume to get density.

Answer:

B. Iron

Explanation:

Correct

Answer:

"The two main reasons are water and heat. Water vapour condenses in your exhaust when it cools. ... Water is also constantly splashed on it when driving in the rain or on wet roads. But the reason it rusts faster than other exposed parts is due to heat."

Explanation:

Brainliest?